Grill plate



FIG. 1 is a top right-side perspective view of a grill plate showing my new design;

FIG. 2 is a bottom left-side perspective view thereof;

FIG. 3 is a left end elevation view thereof, the right end being identical;

FIG. 4 is a right side elevation view thereof, the left side being identical;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a grill plate, as shown and described. 